What was found
STL - YAW DAMPER INOP INDICATION. MAINTENANCE DEFERRED PER MEL. SUBSEQUENTLY CLEARING DMI BY REMOVING AND REPLACING FLIGHT GUIDANCE CONTROL UNIT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
STL - YAW DAMPER INOP INDICATION. MAINTENANCE DEFERRED PER MEL. SUBSEQUENTLY CLEARING DMI BY REMOVING AND REPLACING FLIGHT GUIDANCE CONTROL UNIT.